Excerpt from Pityriasis Alba Synonyms, Key Words, and Related Terms: extensive pityriasis alba, hypopigmented dermatitis, pityriasis alba Please click here to view the full topic text: Pityriasis Alba Background Pityriasis alba is a common hypopigmented dermatitis that occurs primarily in preadolescent children. It is often an incidental finding made on clinical examination. This is a self-limited disorder that usually resolves by adulthood. Frequency United States Pityriasis alba is relatively common, occurring in up to 5% of children, but the exact epidemiology has not been described. Mortality/Morbidity It is generally self-limited and asymptomatic disease. There is no mortality. Cosmetic appearance may be an issue in extensive disease. Race Pityriasis alba does not seem to be more prevalent in any race; however, it is more obvious in dark-skinned individuals. Age Pityriasis alba is most common in children aged 3-16 years. It occasionally may occur in adults. Please click here to view the full topic text: Pityriasis Alba

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